G10H 2250/215
Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding
Official title: Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
G10H2250/215 (Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding) appears on 329 US grants and 327 published applications in this corpus.
Search patents in G10H- Granted patents
- 329
- Published applications
- 327
- Assignees
- 203
- Inventors
- 651
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 7 |
| 2003 | 8 | 11 |
| 2004 | 4 | 7 |
| 2005 | 4 | 13 |
| 2006 | 8 | 10 |
| 2007 | 2 | 11 |
| 2008 | 6 | 16 |
| 2009 | 13 | 13 |
| 2010 | 6 | 5 |
| 2011 | 20 | 18 |
| 2012 | 7 | 11 |
| 2013 | 13 | 10 |
| 2014 | 10 | 9 |
| 2015 | 7 | 9 |
| 2016 | 9 | 8 |
| 2017 | 25 | 16 |
| 2018 | 9 | 16 |
| 2019 | 20 | 34 |
| 2020 | 17 | 22 |
| 2021 | 18 | 26 |
| 2022 | 10 | 18 |
| 2023 | 15 | 13 |
| 2024 | 20 | 8 |
| 2025 | 11 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G10H 2250/235Fourier transformIndexing code284
- G10H 2250/221Cosine transformIndexing code32
- G10H 2250/251Wavelet transform, i.e. transform with both frequency and temporal resolutionIndexing code17
- G10H 2250/255Z-transformIndexing code6
- G10H 2250/241Hadamard transform, walsh-hadamard transform, hadamard-rademacher-walsh transform, walsh transform, or walsh-fourier transformIndexing code2
- G10H 2250/245Hartley transformIndexing code2
- G10H 2250/231Fermat transformIndexing code1
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Most cited
By later US patents
- Synchronizing text/visual information with audio playback339US 7,058,889 B2Koninklijke Philips Electronics N. V. · 2006
- Method of and apparatus for analyzing and synthesizing a sound by extracting and controlling a sound parameter299US 5,536,902 AYamaha Corporation · 1996
- Pitch-Preserved digital audio playback synchronized to asynchronous clock271US 6,526,325 B1Creative Technology Ltd · 2003
- Method for automatic analysis of audio including music and speech243US 6,542,869 B1Fuji Xerox Co., Ltd. · 2003
- Method and apparatus for creating a unique audio signature175US 8,086,445 B2Audible Magic Corporation · 2011